Analog Electronics
A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are

5 Ω & 16.7 %
5 Ω & 20 %
25 Ω & 20 %
25 Ω & 16.7 %

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Analog Electronics
In a transistor amplifier, the reverse saturation electric current ICO

  double for every 5° rise in temperature.
  increase linearly with the temperature.
  double for every 1° rise in temperature.
  double for every 10° rise in temperature.

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